CN116086385A - Pile foundation hole self-stabilization detection device and use method - Google Patents
Pile foundation hole self-stabilization detection device and use methodDownload PDFInfo
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- CN116086385A CN116086385ACN202310040582.5ACN202310040582ACN116086385ACN 116086385 ACN116086385 ACN 116086385ACN 202310040582 ACN202310040582 ACN 202310040582ACN 116086385 ACN116086385 ACN 116086385A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/18—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring depth
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D33/00—Testing foundations or foundation structures
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
Description
Technical Field
The invention relates to the technical field of pile foundation hole detection equipment, in particular to a pile foundation hole self-stabilization detection device and a use method thereof.
Background
In the building field, pile foundations are widely applied, and pile foundation hole detection is particularly critical in pile foundation installation. In the existing pile foundation hole depth measurement technology, a sensor measurement method is mainly adopted, and the method has the following problems:
the existing sensor measuring method generally hangs a sensor probe with a distance measuring function into a pile foundation hole by using a traction rope connected with the sensor probe, a traction motor drives a traction rope disc to rotate, the traction rope is released to enable sensor equipment to sink, and a feedback signal is sent out after the sensor probe touches the bottom to stop sinking. The rotation ratio between the traction motor and the traction rope disc is adopted, the rotation number of the traction rope disc is calculated by recording the rotation number of the traction motor, and the sinking depth of the sensor equipment can be calculated by the rotation number of the traction rope disc and the length of each circle of the traction rope disc. In the process, the use situation is limited by the condition that water exists in certain pile foundation holes, and the situation that the whole sensor equipment is rotated and offset is caused due to torsion of the traction rope in the releasing process, so that the sensor cannot stably read data and the measurement error is large is caused.
Disclosure of Invention
The invention aims to solve the technical problem of providing a pile foundation hole self-stabilization detection device which is more convenient and efficient to operate and more stable and accurate to measure and a use method.
In order to solve the technical problems, the invention adopts the following technical scheme: the pile foundation hole self-stabilization detection device comprises a self-stabilization mechanism and a detection mechanism, wherein the self-stabilization mechanism is arranged at the top of the detection mechanism;
the self-stabilizing mechanism comprises a driving adjusting component, the driving adjusting component comprises a motor, a rotary table, a probe connecting seat and a circuit board mounting cylinder, the rotary table is fixed to an output shaft of the motor and has a movement stroke rotating along with the driving of the motor, the probe connecting seat is rotatably arranged at the bottom of the rotary table, the circuit board mounting cylinder is detachably inserted into the probe connecting seat, and a nine-axis sensor for detecting the change of the rotation angle and the direction of the detection mechanism and triggering the motor to rotate is arranged in the circuit board mounting cylinder;
the detection mechanism comprises a probe base body and a detection unit, wherein the probe base body is detachably fixed at the bottom of the circuit board mounting cylinder, and the detection unit is mounted on the probe base body and used for detecting the depth and verticality in the pile foundation hole.
Further, the driving and adjusting assembly further comprises a motor mounting seat, a turntable driving shaft, a turntable bearing seat, a turntable connecting seat and a probe connecting shaft;
the motor mounting seat is sleeved outside the motor, and an output shaft of the motor extends downwards to the bottom of the motor mounting seat;
the rotary table driving shaft is fixedly sleeved at the end part of the motor output shaft, which extends out of the motor mounting seat, the rotary table bearing seat is fixed at the bottom of the motor mounting seat and sleeved at the periphery of the rotary table driving shaft, the rotary table is fixedly connected at the bottom of the rotary table driving shaft and rotatably arranged below the rotary table bearing seat, and the rotary table connecting seat is fixed at the bottom of the rotary table;
the probe connecting shaft is arranged on the inner ring of the turntable connecting seat, and the probe connecting seat is connected to the bottom of the probe connecting shaft and is rotatably arranged below the turntable connecting seat.
Further, the driving adjustment assembly further comprises a connection module, the connection module is provided with two groups which are distributed up and down, wherein one group of connection modules positioned above is arranged between the motor and the rotating shaft, the other group of connection modules positioned below is arranged between the rotating shaft and the probe connecting seat, and each group of connection modules comprises a conductive slip ring, a rotary sealing ring, a thrust bearing and a rubber gasket;
one end of the conductive slip ring in the upper connecting module is sleeved on an output shaft of the motor, the other end of the conductive slip ring is abutted to the motor mounting seat, the conductive slip ring has an operation stroke rotating along with the output shaft of the motor, one end of the conductive slip ring in the lower connecting module is fixed in the probe connecting shaft, the other end of the conductive slip ring is inserted in the rotary table, the conductive slip ring has an operation stroke rotating along with the rotary table, and a power line and a signal line are respectively conducted through the conductive slip ring;
the plurality of thrust bearings in the two groups of connecting modules are respectively arranged between the turntable driving shaft and the turntable bearing seat in a clamping manner, and the plurality of thrust bearings in the connecting modules positioned below are respectively arranged between the turntable connecting seat and the probe connecting shaft in a clamping manner;
the rotary sealing ring clamping sleeve in the connecting module positioned above is arranged between the turntable driving shaft and the turntable bearing seat and is abutted against the bottom of the motor mounting seat, and the rotary sealing ring clamping sleeve in the connecting module positioned below is arranged between the turntable connecting seat and the probe connecting shaft and is abutted against the bottom of the turntable;
the rubber gasket in the connecting module located above is sleeved at the connecting position of the turntable driving shaft and the turntable, and the rubber gasket in the connecting module located below is sleeved at the connecting position of the probe connecting shaft and the probe connecting seat.
Further, the self-stabilizing mechanism further comprises a wire inlet locking assembly, wherein the wire inlet locking assembly comprises a wire inlet rope, a wire inlet compression ring, a cap and a wire inlet pipe joint;
the nut cap is fixed above the motor, the wire inlet pipe joint is installed at the top of the nut cap in a centered and communicated mode, the tail end of the wire inlet rope penetrates into the wire inlet pipe joint and is pressed and fixed through matching of threads of the wire inlet compression ring and the wire inlet pipe joint, and a wire pressing sealing ring is clamped between the wire inlet compression ring and the wire inlet pipe joint.
Further, the wire inlet locking assembly further comprises wire pressing latches, a plurality of wire pressing grooves are formed in the bottom of the cap, the wire pressing latches are fixed in the wire pressing grooves at intervals, and the tail ends of the wire inlet ropes penetrating into the cap are coiled on the wire pressing latches.
Further, a circuit board with a central processing chip or a singlechip is arranged in the circuit board mounting cylinder, the nine-axis sensor and the motor are respectively connected to the circuit board, a cover plate and a connecting flange are respectively arranged at the top end and the bottom end of the circuit board mounting cylinder, a mounting cylinder sealing ring is respectively clamped between the cover plate or the connecting flange and the circuit board mounting cylinder, and the probe base body is arranged at the bottom of the circuit board mounting cylinder through the connecting flange.
Further, the detection unit comprises a plurality of ultrasonic detection modules and a plurality of laser detection modules, and each side surface of the probe matrix is provided with two mounting slots for mounting the ultrasonic detection modules and the laser detection modules;
the ultrasonic detection module comprises an ultrasonic transducer and a first compression ring, the ultrasonic transducer is embedded in the mounting groove through the first compression ring, and a first sealing ring is clamped between the ultrasonic transducer and the mounting groove;
the laser detection module comprises a laser ranging sensor, a first glass window and a second pressure ring, wherein the laser ranging sensor is embedded in the mounting groove through the second pressure ring, the first glass window is arranged on the outward side of the laser ranging sensor, and a second sealing ring is clamped between the first glass window and the mounting groove.
Further, the detection unit further comprises a stress detection module, a through groove communicated to the bottom is formed in the probe base body, and the stress detection module is installed in the through groove;
the stress detection module comprises a tension sensor, a probe and a probe head, wherein the probe is installed in the through groove and extends downwards to the bottom of the probe base body, the tension sensor is sleeved on the probe, and the probe head is disc-shaped and fixed at the bottom of the probe.
Further, the detection unit further comprises a plurality of camera modules, and the bottom surface of the probe matrix is provided with the mounting groove for mounting the camera modules;
the camera module comprises a camera, a second glass window and a third compression ring, wherein the camera is embedded in the installation groove by the third compression ring, the second glass window is arranged on the outward surface of the camera, and a third sealing ring is clamped between the second glass window and the installation groove.
The application method of the pile foundation hole self-stabilization detection device comprises the following steps of:
s1: after the self-stabilizing mechanism and the detection mechanism are assembled, power supply and electrifying are carried out, the wire inlet rope is slowly released from the traction rope disc under the driving action of the traction motor, the device is fed into the pile foundation hole from the upper part of the pile foundation hole, and the condition in the pile foundation hole is directly observed through the camera module;
s2: in the lowering process, the nine-axis sensor detects the change of the rotation angle and the direction of the detection mechanism in real time and feeds back the change to the motor, the motor drives the turntable to rotate forward or reversely or adjust the rotation speed according to the rotation angle or the rotation direction of the detection mechanism, and the detection mechanism keeps stable along with the probe connecting seat and does not twist according to the law of conservation of angular momentum;
s3: before the detection mechanism is submerged in water, the laser ranging sensor detects the distance between the probe matrix and the inner wall surface of the pile foundation hole in real time, and after the detection mechanism is submerged in water, the ultrasonic transducer detects the distance between the probe matrix and the inner wall surface of the pile foundation hole in real time, and the laser ranging sensor and the ultrasonic transducer are both connected to a central processing chip or a singlechip in a feedback manner and are processed and calculated to obtain the perpendicularity of the pile foundation hole;
s4: when the probe matrix approaches the bottom of the pile foundation hole, the probe head is preferentially abutted against the bottom of the pile foundation hole, after the tension sensor senses the change of force, a signal is immediately triggered to a central processing chip or a singlechip, the probe matrix is stopped to continue sinking, and the sinking depth of the probe matrix is calculated and processed according to the revolution of the current traction rope disc and the length of each circle of the traction rope disc, so that the depth of the pile foundation hole is obtained.
The beneficial effects of the invention are as follows:
according to the invention, a design structure combining the self-stabilizing mechanism and the detection mechanism is adopted, on one hand, the self-stabilizing mechanism can detect the rotation change condition of the detection mechanism in the pile foundation hole lowering process in real time, the motor is automatically triggered by utilizing the law of conservation of angular momentum to drive the turntable to rotate, the lowering stability of the probe matrix is kept, the probe matrix is prevented from being twisted, the accuracy of the measurement data of the detection unit is improved, on the other hand, the detection unit comprises a plurality of detection modules with different functions, so that the working environment on water and under water is met, the pile foundation hole can be measured from the aspects of depth, aperture, perpendicularity and the like, the operation is more convenient and efficient, and the detection range is wider.
Drawings
Fig. 1 is an isometric view of an overall structure of an embodiment of the invention.
Fig. 2 is a schematic diagram showing the overall structure in a bottom view according to an embodiment of the invention.
FIG. 3 is a front view of a self-stabilizing mechanism in accordance with an embodiment of the present invention.
Fig. 4 is a cross-sectional view of a self-stabilizing mechanism in accordance with an embodiment of the present invention.
Fig. 5 is an enlarged view of a portion a of fig. 4 in an embodiment of the invention.
Fig. 6 is a front view of a detection mechanism according to an embodiment of the invention.
FIG. 7 is a partial cross-sectional view of a detection mechanism according to one embodiment of the invention.
Fig. 8 is a bottom view of a detection mechanism according to an embodiment of the invention.
The components in the drawings are marked as follows: 1. a self-stabilizing mechanism; 2. a detection mechanism; 3. the incoming line locking assembly; 301. a feed line; 302. a wire inlet compression ring; 303. capping; 304. a wire inlet pipe interface; 305. a wire pressing sealing ring; 306. wire pressing grooves; 307. wire clamping teeth; 4. driving the adjustment assembly; 5. a motor; 501. a motor mounting seat; 6. a turntable; 601. a turntable drive shaft; 602. a turntable bearing seat; 603. a turntable connecting seat; 7. a probe connecting seat; 701. a probe connecting shaft; 8. a circuit board mounting cylinder; 801. a cover plate; 802. a connecting flange; 803. installing a cylinder sealing ring; 9. nine-axis sensor; 10. a conductive slip ring; 11. rotating the sealing ring; 12. a thrust bearing; 13. a rubber gasket; 14. a probe base; 1401. installing a groove position; 1402. a through groove; 15. an ultrasonic detection module; 1501. an ultrasonic transducer; 1502. a first press ring; 1503. a first seal ring; 16. a laser detection module; 1601. a laser ranging sensor; 1602. a first glazing; 1603. a second press ring; 1604. a second seal ring; 17. a camera module; 1701. a camera; 1702. a second glazing; 1703. a third press ring; 1704. a third seal ring; 18. a stress detection module; 1801. a tension sensor; 1802. a probe; 1803. a probe head.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the invention, not all embodiments. It should be noted that, if there is a description of "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is only for descriptive purposes, and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. The electrical components or parts involved in the present invention are standard parts available in the prior art through purchase routes.
See fig. 1-8.
The invention provides a pile foundation hole self-stabilization detection device, which comprises a self-stabilization mechanism 1 and adetection mechanism 2, wherein the self-stabilization mechanism 1 is arranged at the top of thedetection mechanism 2;
the self-stabilizingmechanism 1 comprises adriving adjusting assembly 4, thedriving adjusting assembly 4 comprises amotor 5, a rotary table 6, aprobe connecting seat 7 and a circuitboard mounting cylinder 8, the rotary table 6 is fixed to an output shaft of themotor 5 and has a movement stroke rotating along with the driving of themotor 5, theprobe connecting seat 7 is rotatably arranged at the bottom of the rotary table 6, the circuitboard mounting cylinder 8 is detachably inserted into theprobe connecting seat 7, and a nine-axis sensor 9 for detecting the change of the rotation angle and the direction of thedetection mechanism 2 and triggering the rotation of themotor 5 is arranged in the circuitboard mounting cylinder 8;
thedetection mechanism 2 comprises aprobe base body 14 and a detection unit, wherein theprobe base body 14 is detachably fixed at the bottom of the circuitboard mounting cylinder 8, and the detection unit is mounted on theprobe base body 14 and is used for detecting the depth and the perpendicularity in a pile foundation hole.
According to the invention, a design structure combining the self-stabilizing mechanism and the detection mechanism is adopted, on one hand, the self-stabilizing mechanism can detect the rotation change condition of the detection mechanism in the pile foundation hole lowering process in real time, the motor is automatically triggered by utilizing the law of conservation of angular momentum to drive the turntable to rotate, the lowering stability of the probe matrix is kept, the probe matrix is prevented from being twisted, the accuracy of the measurement data of the detection unit is improved, on the other hand, the detection unit comprises a plurality of detection modules with different functions, so that the working environment on water and under water is met, the pile foundation hole can be measured from the aspects of depth, aperture, perpendicularity and the like, the operation is more convenient and efficient, and the detection range is wider.
In one embodiment, the drivingadjustment assembly 4 further comprises amotor mounting seat 501, aturntable driving shaft 601, aturntable bearing seat 602, aturntable connecting seat 603 and aprobe connecting shaft 701;
themotor mounting seat 501 is sleeved outside themotor 5, and an output shaft of themotor 5 extends downwards to the bottom of themotor mounting seat 501;
theturntable driving shaft 601 is fixedly sleeved at the end part of the output shaft of themotor 5, which extends out of themotor mounting seat 501, theturntable bearing seat 602 is fixed at the bottom of themotor mounting seat 501 and sleeved at the periphery of theturntable driving shaft 601, theturntable 6 is fixedly connected at the bottom of theturntable driving shaft 601 and rotatably mounted below theturntable bearing seat 602, and theturntable connecting seat 603 is fixed at the bottom of theturntable 6;
theprobe connecting shaft 701 is disposed on the inner ring of theturntable connecting seat 603, and theprobe connecting seat 7 is connected to the bottom of theprobe connecting shaft 701 and rotatably mounted below theturntable connecting seat 603.
In this way, in the lowering process, the nine-axis sensor 9 detects the change of the rotation angle and direction of thedetection mechanism 2 in real time, and feeds back the change to themotor 5, themotor 5 drives theturntable 6 to rotate forward or reversely or adjust the rotation speed according to the rotation angle or the rotation direction of thedetection mechanism 2, and thedetection mechanism 2 keeps stable along with theprobe connecting seat 7 according to the law of conservation of angular momentum, so that the torsion is avoided, and the accuracy of various data measured by the detection unit is prevented from being influenced.
In an embodiment, the drivingadjustment assembly 4 further includes a connection module, where the connection module has two groups distributed up and down, one group of connection modules located above is disposed between themotor 5 and therotating shaft 6, the other group of connection modules located below is disposed between therotating shaft 6 and theprobe connection seat 7, and each group of connection modules includes aconductive slip ring 10, arotary seal ring 11, athrust bearing 12, and arubber gasket 13;
one end of theconductive slip ring 10 in the upper connection module is sleeved on the output shaft of themotor 5, the other end of theconductive slip ring 10 is abutted to themotor mounting seat 501, the conductive slip ring has an operation stroke rotating along with the output shaft of themotor 5, one end of theconductive slip ring 10 in the lower connection module is fixed in theprobe connection shaft 701, the other end of theconductive slip ring 10 is inserted into theturntable 6, the conductive slip ring has an operation stroke rotating along with theturntable 6, and a power line and a signal line are respectively conducted through theconductive slip ring 10;
thethrust bearings 12 in the two groups of connection modules are multiple, thethrust bearings 12 in the upper connection module are respectively clamped and installed between theturntable driving shaft 601 and theturntable bearing seat 602, and thethrust bearings 12 in the lower connection module are respectively clamped and installed between theturntable connecting seat 603 and theprobe connecting shaft 701;
therotary sealing ring 11 in the upper connecting module is clamped and sleeved between theturntable driving shaft 601 and theturntable bearing seat 602 and is abutted against the bottom of themotor mounting seat 501, and therotary sealing ring 11 in the lower connecting module is clamped and sleeved between theturntable connecting seat 603 and theprobe connecting shaft 701 and is abutted against the bottom of theturntable 6;
therubber gasket 13 in the upper connection module is sleeved at the connection position of theturntable driving shaft 601 and theturntable 6, and therubber gasket 13 in the lower connection module is sleeved at the connection position of theprobe connecting shaft 701 and theprobe connecting seat 7.
By means of the design, under the connection effect of the two groups of connection modules, the rotary table 6 can rotate relative to themotor 5 and themotor mounting seat 501, theprobe connecting seat 7 can rotate relative to the rotary table 6, conditions are provided for the follow-up angular momentum conservation, theconductive slip ring 10 plays a role in conducting a power line and a signal line, the thrust bearing 12 plays a role in improving the installation firmness degree and the rotation smoothness degree, and therotary sealing ring 11 and therubber gasket 13 play a role in preventing water and buffering.
In an embodiment, the self-stabilizingmechanism 1 further includes awire locking assembly 3, and thewire locking assembly 3 includes awire feeding rope 301, a wirefeeding compression ring 302, acap 303, and a wire feeding pipe joint 304;
thecap 303 is fixed above themotor 5, the inlet pipe joint 304 is installed at the top of thecap 303 in a centered and communicated manner, the tail end of theinlet wire rope 301 penetrates into the inlet pipe joint 304 and is tightly pressed and fixed by matching threads of the inlet wire joint 304 and the inletwire pressing ring 302, and a wire pressing sealingring 305 is clamped between the inletwire pressing ring 302 and the inlet wire joint 304.
In such a design, the self-stabilizingmechanism 1 and thedetection mechanism 2 are powered on after being assembled, thewire inlet rope 301 is slowly released from the traction rope disc under the driving action of the traction motor, and the device is fed into the pile foundation hole from the upper part of the pile foundation hole, wherein the wireinlet compression ring 302, the wire inlet pipe joint 304 and the wire pressing sealingring 305 are matched, so that the reliability of locking and fixing the tail end of thewire inlet rope 301 is improved.
In an embodiment, thewire locking assembly 3 further includes awire pressing latch 307, awire pressing groove 306 is formed at the bottom of thecap 303, thewire pressing latch 307 is provided with a plurality of wire pressing latches, the wire pressing latches are fixed in thewire pressing groove 306 at intervals, and the tail end of thewire feeding rope 301 penetrating into thecap 303 is coiled on thewire pressing latch 307. By means of the design, thewire inlet rope 301 is coiled between the wire pressing clampingteeth 307, the stability of thewire inlet rope 301 installed in the wireinlet locking assembly 3 is enhanced, and the situation that accidental breakage occurs in the lowering process of the device is avoided.
In an embodiment, a circuit board with a central processing chip or a single chip microcomputer is arranged in the circuitboard mounting cylinder 8, the nine-axis sensor 9 and themotor 5 are respectively connected to the circuit board, acover plate 801 and a connectingflange 802 are respectively mounted at the top end and the bottom end of the circuitboard mounting cylinder 8, a mountingcylinder sealing ring 803 is respectively clamped between thecover plate 801 or the connectingflange 802 and the circuitboard mounting cylinder 8, and theprobe base 14 is mounted at the bottom of the circuitboard mounting cylinder 8 through the connectingflange 802. By means of the design, the electrical components in the self-stabilizingmechanism 1 are downwards connected to the circuit board in the circuitboard mounting barrel 8 through the power line and the signal line, each detection module contained in the detection unit is upwards connected to the circuit board in the circuitboard mounting barrel 8 through the power line and the signal line, and when the self-stabilizing device is submerged in water, the mountingbarrel sealing ring 803 can prevent water from invading into equipment.
In an embodiment, the detection unit includes a plurality ofultrasonic detection modules 15 and a plurality oflaser detection modules 16, and two mountingslots 1401 for mounting theultrasonic detection modules 15 and thelaser detection modules 16 are formed on each side surface of theprobe substrate 14;
theultrasonic detection module 15 includes anultrasonic transducer 1501 and afirst press ring 1502, theultrasonic transducer 1501 is embedded in the mountinggroove 1401 via thefirst press ring 1502, and afirst seal ring 1503 is sandwiched between theultrasonic transducer 1501 and the mountinggroove 1401;
thelaser detection module 16 includes alaser ranging sensor 1601, afirst glass window 1602 and asecond press ring 1603, thelaser ranging sensor 1601 is embedded in the mountinggroove 1401 via thesecond press ring 1603, thefirst glass window 1602 is disposed on an outward surface of thelaser ranging sensor 1601, and asecond sealing ring 1604 is sandwiched between thefirst glass window 1602 and the mountinggroove 1401.
In this design, each side of theprobe base 14 is provided with anultrasonic transducer 1501 and alaser ranging sensor 1601, the specific installation positions of the two sensors are not limited, before thedetection mechanism 2 is submerged, thelaser ranging sensor 1601 detects the distance between theprobe base 14 and the inner wall surface of the pile foundation hole in real time, after thedetection mechanism 2 is submerged, theultrasonic transducer 1501 detects the distance between theprobe base 14 and the inner wall surface of the pile foundation hole in real time, thelaser ranging sensor 1601 and theultrasonic transducer 1501 are both connected with a central processing chip or a singlechip in a feedback manner, the aperture and the verticality of the pile foundation hole are obtained through processing and calculation, and when the device is submerged, thefirst sealing ring 1503 and thesecond sealing ring 1604 can prevent water from entering into equipment.
In an embodiment, the detecting unit further includes aforce detecting module 18, a throughgroove 1402 connected to the bottom is formed in theprobe base 14, and theforce detecting module 18 is installed in the throughgroove 1402;
thestress detection module 18 comprises atension sensor 1801, aprobe 1802 and aprobe head 1803, theprobe 1802 is installed in the throughgroove 1402 and extends downwards to the bottom of theprobe base 14, thetension sensor 1801 is sleeved on theprobe 1802, and theprobe head 1803 is disc-shaped and fixed to the bottom of theprobe 1802.
By means of the design, when theprobe base 14 is close to the bottom of the pile foundation hole, theprobe head 1803 is preferentially abutted against the bottom of the pile foundation hole, after thetension sensor 1801 senses the force change, a signal is immediately triggered to a central processing chip or a singlechip, theprobe base 14 stops to continue sinking, and the sinking depth of theprobe base 14 is calculated and processed according to the rotation number of the current traction rope disc and the length of each circle of the traction rope disc, so that the depth of the pile foundation hole is obtained.
In an embodiment, the detecting unit further includes a plurality ofcamera modules 17, and the bottom surface of theprobe base 14 is provided with the mountingslot 1401 for mounting thecamera modules 17;
thecamera module 17 includes acamera 1701, asecond glass window 1702 and a thirdpressing ring 1703, where thecamera 1701 is only embedded in the mountinggroove 1401 by the thirdpressing ring 1703, thesecond glass window 1702 is disposed on the outward surface of thecamera 1701, and athird sealing ring 1704 is sandwiched between thesecond glass window 1702 and the mountinggroove 1401.
In this design, when this device is by the in-process of pile foundation hole top decline to pile foundation downthehole, the staff can see throughcamera 1701 carries out the direct observation to the condition in the pile foundation downthehole, when this device is submerged under water,third sealing washer 1704 can prevent that water from invading to equipment.
The application method of the pile foundation hole self-stabilization detection device comprises the following steps of:
s1: after the self-stabilizingmechanism 1 and the detectingmechanism 2 are assembled, power supply and electrifying are carried out, thewire inlet rope 301 is slowly released from a traction rope disc under the driving action of a traction motor, the device is fed into a pile foundation hole from above the pile foundation hole, and the condition in the pile foundation hole is directly observed through thecamera module 17;
s2: in the lowering process, the nine-axis sensor 9 detects the change of the rotation angle and the direction of thedetection mechanism 2 in real time, and feeds back the change to themotor 5, themotor 5 drives theturntable 6 to rotate forward or reversely or adjust the rotation speed according to the rotation angle or the rotation direction of thedetection mechanism 2, and thedetection mechanism 2 keeps stable along with theprobe connecting seat 7 and does not twist according to the law of conservation of angular momentum;
s3: before thedetection mechanism 2 is submerged, thelaser ranging sensor 1601 detects the distance between theprobe base 14 and the inner wall surface of the pile foundation hole in real time, after thedetection mechanism 2 is submerged, theultrasonic transducer 1501 detects the distance between theprobe base 14 and the inner wall surface of the pile foundation hole in real time, and thelaser ranging sensor 1601 and theultrasonic transducer 1501 are both connected with a central processing chip or a singlechip in a feedback manner, and the perpendicularity of the pile foundation hole is obtained through processing and calculation;
s4: when theprobe base 14 approaches the bottom of the pile foundation hole, theprobe head 1803 preferably abuts against the bottom of the pile foundation hole, after thetension sensor 1801 senses the force change, a signal is immediately triggered to a central processing chip or a singlechip, theprobe base 14 stops to continue sinking, and the sinking depth of theprobe base 14 is calculated and processed according to the current revolution of the traction rope reel and the length of each circle of the traction rope reel, so that the depth of the pile foundation hole is obtained.
It should be understood that the examples and embodiments described herein are for illustrative purposes only and are not intended to limit the invention thereto, and that various modifications, equivalents, improvements and alternatives to those skilled in the art may be made without departing from the spirit and principles of the invention and are intended to be included within the scope of the present invention.
Claims (10)
1. Pile foundation hole is from stable detection device, its characterized in that: the device comprises a self-stabilizing mechanism (1) and a detection mechanism (2), wherein the self-stabilizing mechanism (1) is arranged at the top of the detection mechanism (2);
the self-stabilizing mechanism (1) comprises a driving adjusting assembly (4), the driving adjusting assembly (4) comprises a motor (5), a rotary table (6), a probe connecting seat (7) and a circuit board mounting cylinder (8), the rotary table (6) is fixed to an output shaft of the motor (5) and has a movement stroke rotating along with the driving of the motor (5), the probe connecting seat (7) is rotatably arranged at the bottom of the rotary table (6), the circuit board mounting cylinder (8) is detachably inserted into the probe connecting seat (7), and a nine-axis sensor (9) for detecting the change of the rotation angle and the direction of the detection mechanism (2) and triggering the rotation of the motor (5) is arranged in the circuit board mounting cylinder (8);
the detection mechanism (2) comprises a probe base body (14) and a detection unit, wherein the probe base body (14) is detachably fixed at the bottom of the circuit board mounting cylinder (8), and the detection unit is mounted on the probe base body (14) and is used for detecting the depth and the perpendicularity in a pile foundation hole.
2. The pile foundation hole self-stabilization detection apparatus of claim 1, wherein: the driving adjustment assembly (4) further comprises a motor mounting seat (501), a turntable driving shaft (601), a turntable bearing seat (602), a turntable connecting seat (603) and a probe connecting shaft (701);
the motor mounting seat (501) is sleeved outside the motor (5), and an output shaft of the motor (5) extends downwards to the bottom of the motor mounting seat (501);
the rotary table driving shaft (601) is fixedly sleeved at the end part of the output shaft of the motor (5) extending out of the motor mounting seat (501), the rotary table bearing seat (602) is fixed at the bottom of the motor mounting seat (501) and sleeved at the periphery of the rotary table driving shaft (601), the rotary table (6) is fixedly connected at the bottom of the rotary table driving shaft (601) and rotatably arranged below the rotary table bearing seat (602), and the rotary table connecting seat (603) is fixed at the bottom of the rotary table (6);
the probe connecting shaft (701) is arranged on the inner ring of the turntable connecting seat (603), and the probe connecting seat (7) is connected to the bottom of the probe connecting shaft (701) and is rotatably arranged below the turntable connecting seat (603).
3. The pile foundation hole self-stabilizing detector of claim 2, wherein: the driving adjusting assembly (4) further comprises connecting modules, wherein the connecting modules are provided with two groups which are distributed up and down, one group of connecting modules positioned above is arranged between the motor (5) and the rotating shaft (6), the other group of connecting modules positioned below is arranged between the rotating shaft (6) and the probe connecting seat (7), and each group of connecting modules comprises a conductive slip ring (10), a rotary sealing ring (11), a thrust bearing (12) and a rubber gasket (13);
one end of the conductive slip ring (10) in the upper connecting module is sleeved on the output shaft of the motor (5), the other end of the conductive slip ring is abutted to the motor mounting seat (501) and has an operation stroke rotating along with the output shaft of the motor (5), one end of the conductive slip ring (10) in the lower connecting module is fixed into the probe connecting shaft (701), the other end of the conductive slip ring is inserted into the rotary table (6) and has an operation stroke rotating along with the rotary table (6), and a power line and a signal line are respectively conducted through the conductive slip ring (10);
the plurality of thrust bearings (12) in the two groups of connecting modules are respectively arranged between the turntable driving shaft (601) and the turntable bearing seat (602) in a clamping manner, and the plurality of thrust bearings (12) in the lower connecting module are respectively arranged between the turntable connecting seat (603) and the probe connecting shaft (701) in a clamping manner;
the rotary sealing ring (11) in the upper connecting module is clamped and sleeved between the turntable driving shaft (601) and the turntable bearing seat (602) and is abutted against the bottom of the motor mounting seat (501), and the rotary sealing ring (11) in the lower connecting module is clamped and sleeved between the turntable connecting seat (603) and the probe connecting shaft (701) and is abutted against the bottom of the turntable (6);
the rubber gasket (13) in the connecting module located above is sleeved at the connecting position of the turntable driving shaft (601) and the turntable (6), and the rubber gasket (13) in the connecting module located below is sleeved at the connecting position of the probe connecting shaft (701) and the probe connecting seat (7).
4. The pile foundation hole self-stabilization detection apparatus of claim 1, wherein: the self-stabilizing mechanism (1) further comprises a wire inlet locking assembly (3), wherein the wire inlet locking assembly (3) comprises a wire inlet rope (301), a wire inlet compression ring (302), a cap (303) and a wire inlet pipe joint (304);
the nut cap (303) is fixed above the motor (5), the inlet pipe joint (304) is installed at the top of the nut cap (303) in a centered and communicated mode, the tail end of the inlet wire rope (301) penetrates into the inlet pipe joint (304) and is pressed and fixed through threaded matching of the inlet wire pressing ring (302) and the inlet pipe joint (304), and a wire pressing sealing ring (305) is clamped between the inlet wire pressing ring (302) and the inlet pipe joint (304).
5. The pile foundation hole self-stabilizing detector of claim 4, wherein: the wire inlet locking assembly (3) further comprises wire pressing clamping teeth (307), a wire pressing groove (306) is formed in the bottom of the cap (303), the wire pressing clamping teeth (307) are multiple, fixed in the wire pressing groove (306) at intervals, and the tail end of the wire inlet rope (301) penetrating into the cap (303) is coiled on the wire pressing clamping teeth (307).
6. The pile foundation hole self-stabilization detection apparatus of claim 1, wherein: the circuit board mounting cylinder (8) is internally provided with a circuit board with a solder tin and a central processing chip or a singlechip, the nine-axis sensor (9) and the motor (5) are respectively connected to the circuit board, the top end and the bottom end of the circuit board mounting cylinder (8) are respectively provided with a cover plate (801) and a connecting flange (802), and the cover plate (801) or the connecting flange (802) and the circuit board mounting cylinder (8) are respectively clamped with a mounting cylinder sealing ring (803), and the probe base body (14) is arranged at the bottom of the circuit board mounting cylinder (8) through the connecting flange (802).
7. The pile foundation hole self-stabilizing detector of claim 4, wherein: the detection unit comprises a plurality of ultrasonic detection modules (15) and a plurality of laser detection modules (16), and two mounting slots (1401) for mounting the ultrasonic detection modules (15) and the laser detection modules (16) are formed in each side face of the probe base body (14);
the ultrasonic detection module (15) comprises an ultrasonic transducer (1501) and a first compression ring (1502), the ultrasonic transducer (1501) is embedded in the mounting groove (1401) through the first compression ring (1502), and a first sealing ring (1503) is clamped between the ultrasonic transducer (1501) and the mounting groove (1401);
the laser detection module (16) comprises a laser ranging sensor (1601), a first glass window (1602) and a second pressure ring (1603), wherein the laser ranging sensor (1601) is embedded in the installation groove (1401) through the second pressure ring (1603), the first glass window (1602) is arranged on the outward surface of the laser ranging sensor (1601), and a second sealing ring (1604) is clamped between the first glass window (1602) and the installation groove (1401).
8. The pile foundation hole self-stabilizing detector of claim 7, wherein: the detection unit further comprises a stress detection module (18), a through groove (1402) communicated to the bottom is formed in the probe base body (14), and the stress detection module (18) is installed in the through groove (1402);
the stress detection module (18) comprises a tension sensor (1801), a probe (1802) and a probe head (1803), wherein the probe (1802) is installed in the through groove (1402) and extends downwards to the bottom of the probe base body (14), the tension sensor (1801) is sleeved on the probe (1802), and the probe head (1803) is disc-shaped and fixed at the bottom of the probe (1802).
9. The pile foundation hole self-stabilizing detector of claim 8, wherein: the detection unit further comprises a plurality of camera modules (17), and the bottom surface of the probe base body (14) is provided with the mounting groove (1401) for mounting the camera modules (17);
the camera module (17) comprises a camera (1701), a second glass window (1702) and a third compression ring (1703), wherein the camera (1701) is embedded in the installation groove (1401) only by the third compression ring (1703), the second glass window (1702) is arranged on the outward surface of the camera (1701), and a third sealing ring (1704) is clamped between the second glass window (1702) and the installation groove (1401).
10. The application method of the pile foundation hole self-stabilization detection device is characterized by comprising the following steps of: a pile foundation hole self-stabilizing detection device including the method of claim 9, said method comprising the steps of:
s1: after the self-stabilizing mechanism (1) and the detecting mechanism (2) are assembled, power supply and electrifying are carried out, the wire inlet rope (301) is slowly released from the traction rope disc under the driving action of the traction motor, and the device is sent into a pile foundation hole from the upper part of the pile foundation hole and directly observes the condition in the pile foundation hole through the camera module (17);
s2: in the lowering process, the nine-axis sensor (9) detects the change of the rotation angle and the direction of the detection mechanism (2) in real time and feeds back the change to the motor (5), the motor (5) drives the turntable (6) to rotate forwards or reversely or adjust the rotation speed according to the rotation angle or the rotation direction of the detection mechanism (2), and the detection mechanism (2) keeps stable along with the probe connecting seat (7) and does not twist according to the law of conservation of angular momentum;
s3: before the detection mechanism (2) is submerged, the laser ranging sensor (1601) detects the distance between the probe base body (14) and the inner wall surface of the pile foundation hole in real time, after the detection mechanism (2) is submerged, the ultrasonic transducer (1501) detects the distance between the probe base body (14) and the inner wall surface of the pile foundation hole in real time, and the laser ranging sensor (1601) and the ultrasonic transducer (1501) are both connected to a central processing chip or a singlechip in a feedback manner, so that the perpendicularity of the pile foundation hole is obtained through processing and calculation;
s4: when the probe base body (14) is close to the bottom of the pile foundation hole, the probe head (1803) is preferentially abutted against the bottom of the pile foundation hole, after the tension sensor (1801) senses the force change, a signal is immediately triggered to a central processing chip or a singlechip, the probe base body (14) is stopped to continue sinking, and the sinking depth of the probe base body (14) is obtained through calculation according to the rotation number of the current traction rope disc and the length of each circle of the traction rope disc, so that the depth of the pile foundation hole is obtained.
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| CN202310040582.5ACN116086385B (en) | 2023-01-13 | 2023-01-13 | Pile foundation hole self-stabilization detection device and use method |
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| CN116086385B (en) | 2023-06-23 |
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